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EP0612549A2 - Filtre à huile pour la purification d'huile de graissage - Google Patents

Filtre à huile pour la purification d'huile de graissage Download PDF

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Publication number
EP0612549A2
EP0612549A2 EP94100698A EP94100698A EP0612549A2 EP 0612549 A2 EP0612549 A2 EP 0612549A2 EP 94100698 A EP94100698 A EP 94100698A EP 94100698 A EP94100698 A EP 94100698A EP 0612549 A2 EP0612549 A2 EP 0612549A2
Authority
EP
European Patent Office
Prior art keywords
oil
filter
cover
central rod
filter insert
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP94100698A
Other languages
German (de)
English (en)
Other versions
EP0612549B1 (fr
EP0612549A3 (fr
Inventor
Thomas Brieden
Rolf Möhle
Hubert Müller
Dietmar Sonntag
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Knecht Filterwerk GmbH
Original Assignee
Knecht Filterwerk GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Knecht Filterwerk GmbH filed Critical Knecht Filterwerk GmbH
Publication of EP0612549A2 publication Critical patent/EP0612549A2/fr
Publication of EP0612549A3 publication Critical patent/EP0612549A3/fr
Application granted granted Critical
Publication of EP0612549B1 publication Critical patent/EP0612549B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/04Special measures taken in connection with the properties of the fluid
    • F15B21/041Removal or measurement of solid or liquid contamination, e.g. filtering
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/114Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements arranged for inward flow filtration
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/96Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D35/00Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/14Safety devices specially adapted for filtration; Devices for indicating clogging
    • B01D35/147Bypass or safety valves
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D35/00Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/14Safety devices specially adapted for filtration; Devices for indicating clogging
    • B01D35/153Anti-leakage or anti-return valves
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D35/00Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/16Cleaning-out devices, e.g. for removing the cake from the filter casing or for evacuating the last remnants of liquid
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01MLUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M11/00Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • F01M11/03Mounting or connecting of lubricant purifying means relative to the machine or engine; Details of lubricant purifying means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2201/00Details relating to filtering apparatus
    • B01D2201/04Supports for the filtering elements
    • B01D2201/0415Details of supporting structures
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2201/00Details relating to filtering apparatus
    • B01D2201/30Filter housing constructions
    • B01D2201/301Details of removable closures, lids, caps, filter heads
    • B01D2201/305Snap, latch or clip connecting means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2201/00Details relating to filtering apparatus
    • B01D2201/34Seals or gaskets for filtering elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2201/00Details relating to filtering apparatus
    • B01D2201/40Special measures for connecting different parts of the filter
    • B01D2201/4084Snap or Seeger ring connecting means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01MLUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M1/00Pressure lubrication
    • F01M1/10Lubricating systems characterised by the provision therein of lubricant venting or purifying means, e.g. of filters
    • F01M2001/105Lubricating systems characterised by the provision therein of lubricant venting or purifying means, e.g. of filters characterised by the layout of the purification arrangements
    • F01M2001/1064Lubricating systems characterised by the provision therein of lubricant venting or purifying means, e.g. of filters characterised by the layout of the purification arrangements comprising drains for oil to the carter, e.g. to recover spilled oil during change of filters

Definitions

  • the invention relates to an oil filter for the cleaning of lubricating oil, in particular for internal combustion engines of motor vehicles, with a filter housing arranged at least approximately upright in the installed state with a screw-on cover and an annular filter insert which can be detachably connected to the latter, an oil inlet in the filter housing for contaminated oil to the inflow space surrounding the filter insert and an oil outlet for cleaned oil from the outflow space formed by the interior of the filter insert and, furthermore, in the lower region of the filter housing a drainage duct connected to an oil collecting space for remaining in the filter housing when the filter insert is changed Oil is provided, which is automatically opened by a valve-like member each time the filter insert is changed, but is otherwise permanently closed.
  • valve-like member In a known oil filter of this type (EP-PS 0314915) the valve-like member is arranged decentrally in the filter housing and is there under the action of oppositely acting compression springs, one of which acts on the valve-like member in the closing direction is supported on the filter insert .
  • the force acting in the closing direction of this one compression spring disappears, so that the other compression spring acting in the opposite direction in the opening direction can actuate the valve-like member in the opening direction and thus open the opening to the discharge channel. Since the one compression spring acts asymmetrically on the filter insert, this is disadvantageously stressed asymmetrically.
  • the filter insert can only be removed from the cover with difficulty.
  • the aim of the invention is to provide a better design for an oil filter for cleaning lubricating oil, in which oil remaining in the filter housing is automatically drained off each time the filter insert is changed.
  • a central rod is connected axially displaceably to a limited extent, which in its area near the cover has a piston-like thickening which is sealed off from the filter insert and separates the inflow space from the outflow space, and which in has the valve-like link in its lower end region which interacts with the discharge duct.
  • the cover can be rotated relative to the central rod.
  • the limited axial displaceability of the central rod relative to the cover can be achieved by interlocking catches on these two parts and a stroke limiter provided on one of these two parts and directed against the other of these two parts.
  • this creates the possibility of providing an axial play between these two parts, which is necessary to compensate for different thermal expansions and manufacturing tolerances of the parts.
  • the axial play of the center rod is further limited in the direction from the cover of the oil filter in that the valve-like member securely seals when the oil filter is closed.
  • At least one compression spring can be located between the cover and the central rod be provided.
  • this compression spring supports the holding of the valve-like member in the closed position during operation of the oil filter.
  • this compression spring when the assembly of cover, center rod and filter insert is removed from the filter housing, with the lower end of the center rod supported at the bottom, allows the filter insert to be released (pushed off) from the piston-like thickening by pressure from above onto the cover, the compression spring being compressed.
  • a compression spring can advantageously be arranged coaxially to the central rod in the area of the thickening, enclosing the stroke limiter and enclosed by the catches.
  • the correct position of the filter insert can be better ensured that this is provided on its inner circumference with a support ring which is supported on an inner, cylindrical support body which is fastened in the lower part of the filter housing by a snap connection.
  • the filter housing can be designed as an aluminum casting, the cover as a plastic injection-molded part and the central rod with a thickening and valve-like member as a plastic molded part.
  • a standing oil filter according to DE-A-41 31 353 is also known.
  • This filter is a combined main and secondary flow filter.
  • the bypass filter part is formed by a housing which is integrally formed on a center rod which is rotatably connected to a screw cap.
  • This housing is divisible so that a replaceable filter element can be used there.
  • the center bar has two functions. One coincides with that according to the invention and consists in closing a drainage channel connected to an oil collection chamber in the manner of a valve in the lower region of the filter housing. The second function is to allow oil flowing through the bypass filter part to flow into the channel closed by the central rod through this central rod during filter operation.
  • the filter insert of the main filter part is fastened in a radially slidable manner to the bypass filter part, which is firmly connected to the central rod.
  • the part of the bypass filter housing onto which the main filter insert is pushed is a connection piece that is tightly inserted into the filter housing.
  • a particular disadvantage of this filter is that the socket on which the filter insert of the main filter is mounted requires an additional seal in the housing. Furthermore, the surfaces on which that socket lies tight in the housing must be machined particularly, which is expensive.
  • the storage of the filter insert in the invention is also structurally much simpler than that of the main flow filter insert in the previously known embodiment.
  • a contact disk 9 is provided on this, which interacts with a system 10 in the filter housing 1 and thus forms a valve-like element, the passage of which is opened when the central rod 3 moves upward, specifically to a discharge channel 11 , which leads to an oil collecting space - not shown in the drawing.
  • the seals 12 and 13 can alternatively also be provided on the filter insert 14, as shown in FIG. 2.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
EP94100698A 1993-02-09 1994-01-19 Filtre à huile pour la purification d'huile de graissage Expired - Lifetime EP0612549B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4303695A DE4303695A1 (de) 1993-02-09 1993-02-09 Ölfilter für die Reinigung von Schmieröl
DE4303695 1993-02-09

Publications (3)

Publication Number Publication Date
EP0612549A2 true EP0612549A2 (fr) 1994-08-31
EP0612549A3 EP0612549A3 (fr) 1994-09-07
EP0612549B1 EP0612549B1 (fr) 1996-05-08

Family

ID=6479957

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94100698A Expired - Lifetime EP0612549B1 (fr) 1993-02-09 1994-01-19 Filtre à huile pour la purification d'huile de graissage

Country Status (3)

Country Link
US (1) US5516425A (fr)
EP (1) EP0612549B1 (fr)
DE (2) DE4303695A1 (fr)

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4428771A1 (de) * 1994-08-13 1996-02-15 Mann & Hummel Filter Filter, insbesondere zum Reinigen von Schmieröl einer Brennkraftmaschine
WO1997000112A1 (fr) * 1995-06-17 1997-01-03 Knecht Filterwerke Gmbh Filtre a huile destine notamment aux moteurs a combustion interne
DE19642641A1 (de) * 1995-11-27 1997-05-28 Knecht Filterwerke Gmbh Kunststoff-Schraubdeckel in Glockenform für ein Filtergehäuse
DE19606616A1 (de) * 1996-02-22 1997-08-28 Knecht Filterwerke Gmbh Flüssigkeitsfilter
WO1999065589A1 (fr) * 1998-06-04 1999-12-23 Scania Cv Aktiebolag (Publ) Filtre a liquide comportant un element filtrant remplaçable
DE29917563U1 (de) * 1999-09-09 2001-02-01 Ing. Walter Hengst GmbH & Co KG, 48147 Münster Fluidfilter mit gehäusefestem Ablassdom
DE29916265U1 (de) * 1999-09-17 2001-02-08 Ing. Walter Hengst GmbH & Co KG, 48147 Münster Fluidfilter mit demontierbarem, zentralen Bauteil
WO2001039864A1 (fr) * 1999-12-02 2001-06-07 Ing. Walter Hengst Gmbh & Co. Kg Filtre a liquide comprenant un element central demontable et un element de maintien supplementaire
EP1130224A1 (fr) * 1999-12-21 2001-09-05 Filterwerk Mann + Hummel GmbH Filtre pour liquide avec un refroidisseur
EP1174597A1 (fr) * 2000-07-22 2002-01-23 Filterwerk Mann + Hummel Gmbh Ensemble pour un moteur à combustion avec un filtre à huile
WO2002011854A1 (fr) * 2000-08-08 2002-02-14 Filterwerk Mann+Hummel Gmbh Filtre a liquides
FR2816985A1 (fr) * 2000-11-20 2002-05-24 Filtrauto Filtre a liquide a purge automatique pour moteur a combustion interne
DE20108573U1 (de) * 2001-05-21 2002-10-02 Ing. Walter Hengst GmbH & Co. KG, 48147 Münster Flüssigkeitsfilter mit einem Träger aus einem zweiten Werkstoff
WO2002100511A1 (fr) * 2001-06-12 2002-12-19 Ufi Filters S.P.A. Filtre pour liquides pour moteurs a combustion interne de vehicules
WO2007022812A1 (fr) * 2005-08-25 2007-03-01 Joma-Polytec Kunststofftechnik Gmbh Filtre a huile
DE102005057710A1 (de) * 2005-12-02 2007-06-06 Audi Ag Wechselölfilter mit federbetätigtem Dorn für Ablauf
EP3388660A1 (fr) * 2017-04-12 2018-10-17 Société Tunisienne des Filtres (MISFAT) Filtre a gasoil avec systeme de purge ameliore

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DE19502020C2 (de) * 1995-01-24 2002-02-28 Mann & Hummel Filter Flüssigkeitsfilter
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DE19707132A1 (de) * 1997-02-22 1998-08-27 Mann & Hummel Filter Filter
DE19737699A1 (de) * 1997-08-29 1999-03-04 Mann & Hummel Filter Filtermodul
DE19859960B4 (de) * 1998-12-29 2006-12-07 Mahle Filtersysteme Gmbh Flüssigkeitsfilter
DE29915845U1 (de) * 1999-09-09 2001-01-25 Ing. Walter Hengst GmbH & Co KG, 48147 Münster Filter mit Trennrohr
WO2001017657A2 (fr) 1999-09-09 2001-03-15 Ing. Walter Hengst Gmbh & Co. Kg Filtre a fluide comportant un dome d'evacuation
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DE19951084A1 (de) * 1999-10-23 2001-04-26 Mahle Filtersysteme Gmbh Flüssigkeitsfilter, insbesondere Ölfilter
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DE19961580A1 (de) * 1999-12-21 2001-06-28 Mann & Hummel Filter Flüssigkeitsfilter mit Ablaß für Flüssigkeitsrückstände
US6591819B2 (en) 2000-02-29 2003-07-15 Bombardier-Rotax Gmbh Four stroke engine having blow-by ventilation system and lubrication system
DE10023427A1 (de) * 2000-05-12 2001-11-15 Mann & Hummel Filter Flüssigkeitsfilter mit in Urformtechnik hergestelltem Gehäuse und Verfahren zu seiner Herstellung
DE20118683U1 (de) * 2001-11-19 2003-03-27 Hengst GmbH & Co.KG, 48147 Münster Ölfilter mit Reinölrohr und drei Dichtungen
US6991112B2 (en) 2002-03-05 2006-01-31 Romanow Enterprises, Inc. Disposable filter cartridge
US6843913B2 (en) * 2002-09-06 2005-01-18 Barry S. Grant Fuel filter with leak avoidance plug
JP3804949B2 (ja) * 2002-11-12 2006-08-02 トヨタ紡織株式会社 流体フィルタ及びそのドレン機構、流体フィルタに使用されるドレン用冶具並びに流体フィルタのドレン方法
WO2004069373A1 (fr) * 2003-01-28 2004-08-19 Donaldson Company, Inc. Ensembles de filtre et procedes
USD492753S1 (en) 2003-04-25 2004-07-06 Procter & Gamble Fluidic cartridge end piece
USD494654S1 (en) 2003-04-25 2004-08-17 Procter & Gamble Co. Fluidic cartridge fittings
JP2005299550A (ja) * 2004-04-14 2005-10-27 Hitachi Ltd オイルフィルタ装置
DE102005042714A1 (de) * 2005-09-02 2007-03-22 Joma-Polytec Kunststofftechnik Gmbh Ölfilteranordnung
US20070080106A1 (en) * 2005-10-12 2007-04-12 Kohler Co. Oil filter housing
WO2007047229A2 (fr) * 2005-10-12 2007-04-26 Kohler Co. Adaptateur de filtre a huile autodrainant
WO2008134494A2 (fr) * 2007-04-27 2008-11-06 Donaldson Company, Inc. Ensemble de filtre de liquides, système, et procédés
JP2009085035A (ja) * 2007-09-27 2009-04-23 Toyota Boshoku Corp 2部材の締結構造及びそれを用いた流体フィルタ
US8999163B2 (en) 2008-04-25 2015-04-07 Donaldson Company, Inc. Top load liquid filter assembly, system and methods
US10010817B2 (en) 2008-04-25 2018-07-03 Donaldson Company, Inc. Top load liquid filter assembly, system, and methods
CN104436813A (zh) 2009-11-05 2015-03-25 唐纳森公司 液体过滤器组件、系统和方法
US10092868B2 (en) 2011-08-31 2018-10-09 Donaldson Company, Inc. Liquid filter assembly, system and methods
US9352257B2 (en) 2012-01-31 2016-05-31 Donaldson Company, Inc. Interlock device
US10005012B2 (en) 2013-06-06 2018-06-26 Donaldson Company, Inc. Interlock device
US10525387B2 (en) 2017-04-06 2020-01-07 Whirlpool Corporation Filter cartridge
US10584040B2 (en) 2017-10-06 2020-03-10 Whirlpool Corporation Filter cartridge
US10723427B1 (en) 2019-06-10 2020-07-28 Brunswick Corporation Oil filter assemblies
CN112827241B (zh) * 2021-01-06 2022-07-22 惠州辉煌涂料有限公司 一种水性涂料制备方法

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EP0314915A2 (fr) * 1987-11-04 1989-05-10 Ing. Walter Hengst GmbH & Co. KG Filtre permettant la purification des huiles de graissage
WO1992017262A1 (fr) * 1991-03-28 1992-10-15 Knecht Filterwerke Gmbh Filtre de liquides, notamment filtre a huile pour moteurs a combustion interne

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Publication number Priority date Publication date Assignee Title
US3793803A (en) * 1971-06-21 1974-02-26 Wilkerson Corp Piston actuated automatic drain filter
DE2553293B2 (de) * 1975-11-27 1978-12-14 Daimler-Benz Ag, 7000 Stuttgart Schmieröl-Filter mit einem an einem Filtersockel stehend angeordneten Filtertopf
EP0314915A2 (fr) * 1987-11-04 1989-05-10 Ing. Walter Hengst GmbH & Co. KG Filtre permettant la purification des huiles de graissage
WO1992017262A1 (fr) * 1991-03-28 1992-10-15 Knecht Filterwerke Gmbh Filtre de liquides, notamment filtre a huile pour moteurs a combustion interne

Cited By (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4428771A1 (de) * 1994-08-13 1996-02-15 Mann & Hummel Filter Filter, insbesondere zum Reinigen von Schmieröl einer Brennkraftmaschine
EP0699464A3 (fr) * 1994-08-13 1997-07-30 Mann & Hummel Filter Filtre, notamment pour la purification d'huile de lubrification d'un moteur à combustion interne
WO1997000112A1 (fr) * 1995-06-17 1997-01-03 Knecht Filterwerke Gmbh Filtre a huile destine notamment aux moteurs a combustion interne
DE19642641A1 (de) * 1995-11-27 1997-05-28 Knecht Filterwerke Gmbh Kunststoff-Schraubdeckel in Glockenform für ein Filtergehäuse
DE19642641C2 (de) * 1995-11-27 1998-03-19 Knecht Filterwerke Gmbh Kunststoff-Schraubdeckel in Glockenform für ein Filtergehäuse
DE19606616A1 (de) * 1996-02-22 1997-08-28 Knecht Filterwerke Gmbh Flüssigkeitsfilter
DE19606616C2 (de) * 1996-02-22 1998-03-19 Knecht Filterwerke Gmbh Flüssigkeitsfilter
WO1999065589A1 (fr) * 1998-06-04 1999-12-23 Scania Cv Aktiebolag (Publ) Filtre a liquide comportant un element filtrant remplaçable
DE29917563U1 (de) * 1999-09-09 2001-02-01 Ing. Walter Hengst GmbH & Co KG, 48147 Münster Fluidfilter mit gehäusefestem Ablassdom
DE29916265U1 (de) * 1999-09-17 2001-02-08 Ing. Walter Hengst GmbH & Co KG, 48147 Münster Fluidfilter mit demontierbarem, zentralen Bauteil
US6921479B2 (en) 1999-12-02 2005-07-26 Ing. Walter Hengst Gmbh & Co. Kg Fluid filter with removable central component with additional retainer
WO2001039864A1 (fr) * 1999-12-02 2001-06-07 Ing. Walter Hengst Gmbh & Co. Kg Filtre a liquide comprenant un element central demontable et un element de maintien supplementaire
US6926825B2 (en) 1999-12-02 2005-08-09 Ing. Walter Hengst Gmbh & Co. Kg Fluid filter with removable central component with additional retainer
EP1130224A1 (fr) * 1999-12-21 2001-09-05 Filterwerk Mann + Hummel GmbH Filtre pour liquide avec un refroidisseur
EP1174597A1 (fr) * 2000-07-22 2002-01-23 Filterwerk Mann + Hummel Gmbh Ensemble pour un moteur à combustion avec un filtre à huile
WO2002011854A1 (fr) * 2000-08-08 2002-02-14 Filterwerk Mann+Hummel Gmbh Filtre a liquides
US6811694B2 (en) 2000-08-08 2004-11-02 Filterwerk Mann & Hummel Gmbh Liquid filter
FR2816985A1 (fr) * 2000-11-20 2002-05-24 Filtrauto Filtre a liquide a purge automatique pour moteur a combustion interne
DE20108573U1 (de) * 2001-05-21 2002-10-02 Ing. Walter Hengst GmbH & Co. KG, 48147 Münster Flüssigkeitsfilter mit einem Träger aus einem zweiten Werkstoff
WO2002100511A1 (fr) * 2001-06-12 2002-12-19 Ufi Filters S.P.A. Filtre pour liquides pour moteurs a combustion interne de vehicules
US7141163B2 (en) 2001-06-12 2006-11-28 Ufi Filters S.P.A. Liquid filter for vehicle internal combustion engines
KR100841419B1 (ko) * 2001-06-12 2008-06-25 유에프아이 필터즈 소시에떼 퍼 아찌오니 차량 내연기관용 액체 필터
WO2007022812A1 (fr) * 2005-08-25 2007-03-01 Joma-Polytec Kunststofftechnik Gmbh Filtre a huile
US8128818B2 (en) 2005-08-25 2012-03-06 Joma-Polytec Kunststofftechnik Gmbh Oil filter
DE102005057710A1 (de) * 2005-12-02 2007-06-06 Audi Ag Wechselölfilter mit federbetätigtem Dorn für Ablauf
DE102005057710B4 (de) * 2005-12-02 2010-05-27 Audi Ag Wechselölfilter mit federbetätigtem Dorn für Ablauf
EP3388660A1 (fr) * 2017-04-12 2018-10-17 Société Tunisienne des Filtres (MISFAT) Filtre a gasoil avec systeme de purge ameliore

Also Published As

Publication number Publication date
EP0612549B1 (fr) 1996-05-08
EP0612549A3 (fr) 1994-09-07
DE4303695A1 (de) 1994-08-11
US5516425A (en) 1996-05-14
DE59400255D1 (de) 1996-06-13

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